html,
body {
    height: 100%;
}

body {
    background-image: url(../img/background.png);
    background-position: 50% 50%;
    background-size: cover; 
}

.login-form {
    background-color: #fff;
    width: 320px;
    padding: 50px;
    position: relative;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.layui-panel {
    border-radius: 7px;
    opacity: 0.9;
}
.login-form .login-title {
    margin-bottom: 20px;
    text-align: center;
}

.login-form input {
    padding-left: 38px; 
}

.login-form .layui-form-item .layui-icon {
    display: inline-block;
    height: 38px;
    width: 38px;
    line-height: 38px;
    text-align: center;
    position: absolute;
}

.login-form input[name="captcha"] {
    width: 195px;
    display: inline-block;
    margin-right: 1px;
}

#particles-js {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
} 
.submit {
    font-size: 20px;
}
@media screen and (max-width: 768px) {
    .login-form{
        width:auto;
    }
}

.text-center {
    text-align: center;
    margin-bottom:0;
}

.layui-form-item .message {
    margin: 15px 0 0;
    color: #b3b3b3;
    font-size: 12px;
}
.layui-form-item .message a {
    color: #1E9FFF;
    text-decoration: none;
}
.layui-layer-btn .layui-layer-btn1 {
    border-color: #f39c12;
    background-color: #f39c12;
    color: #fff;
    border-radius: 2px;
}
.layui-layer-btn .layui-layer-btn2 {
    border-color: #ff0000;
    background-color: #ff0000;
    color: #fff;
    border-radius: 2px;
}
